DR. ROBERT MICHAEL TAGER M.D.
NPI 1225269509
Neuromusculoskeletal Medicine & OMM in Sierra Madre, CA
NPI Status: Active since August 04, 2009
Contact Information
148 W BONITA AVE
SIERRA MADRE, CA
ZIP 91024
Phone: (626) 836-0504
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Neuromusculoskeletal Medicine & OMM
About ROBERT TAGER
This page provides the complete NPI Profile along with additional information for Robert Tager, a provider established in Sierra Madre, California with a medical specialization in Neuromusculoskeletal Medicine & Omm. The healthcare provider is registered in the NPI registry with number 1225269509 assigned on August 2009. The practitioner's primary taxonomy code is 204D00000X with license number G10919 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1225269509
- Provider Name
- DR. ROBERT MICHAEL TAGER M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 148 W BONITA AVE SIERRA MADRE, CA 91024
- Location Phone
- (626) 836-0504
- Mailing Address
- 148 W BONITA AVE SIERRA MADRE, CA 91024
- Mailing Phone
- (626) 836-0504
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-04-2009
- Last Update Date
- 06-07-2026
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Neuromusculoskeletal Medicine & OMM
- Taxonomy Code
- 204D00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G10919
- License State
- CA
- Taxonomy Description
- The Neuromusculoskeletal Medicine and Osteopathic Manipulative Medicine physician directs special attention to the neuromusculoskeletal system and its interaction with other body systems. Neuromusculoskeletal Medicine and Osteopathic Manipulative Medicine encompasses increased knowledge and understanding of osteopathic principles and practice and heightened technical skills of osteopathic manipulative medicine, and integrates each of these into the management of pediatric, adolescent, adult, and geriatric patients.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1225269509, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1225269509, enumerated as an "individual" on August 04, 2009.
The provider is located at 148 W BONITA AVE SIERRA MADRE, CA 91024 and the phone number is (626) 836-0504.
Neuromusculoskeletal Medicine & OMM with taxonomy code 204D00000X.
